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Gastropoda - Calliotropidae
It was assigned to Eucyclinae by Wilson (1993); to Trochidae by Ladd (1966), Short and Potter (1987) and Todd (2001); to Archaeogastropoda by Sepkoski (2002); and to Calliotropidae by Bandel (2010).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.